--- How many times have you been to China?
--- In fact, it is the first time that I here.
A. was
B. am
C. had been
D. have been
网友回答
A. was
B. am
C. had been
(答案→)D. have been
解析：—句意：你来过中国几次？—事实上，这是我第一次来这里。It/ This is the first time that +现在完成时；It/ That was the first time that+过去完成时，这是一个固定句型，表示：这是第几次做某事。